package deom1;

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main1 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt() ;
        int m = scan.nextInt() ;
        int q = scan.nextInt() ;
        int[][] arr = new int[n+1][m+1] ;
        long[][] dp = new long[n+1][m+1] ;
        for(int i = 1 ; i <= n ; i ++){
            for(int j = 1 ; j <= m ; j ++){
                arr[i][j] = scan.nextInt() ;
                dp[i][j] =  arr[i][j] + dp[i-1][j] + dp[i][j-1] - dp[i-1][j-1];
            }
        }
        for(int i = 0 ; i < q ; i ++){
            int x1 = scan.nextInt() ;
            int y1 = scan.nextInt() ;
            int x2 = scan.nextInt() ;
            int y2  = scan.nextInt() ;
            long sum = dp[x2][y2] - dp[x2][y1-1] - dp[x1-1][y2] + dp[x1-1][y1-1];
            System.out.println(sum) ;
        }

    }
}